A51C31571-1 — BELL CRANK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A51C31571-1: BELL CRANK.

The BELL CRANK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, bore_length: 1.623 INCHES MINIMUM AND 1.633 INCHES MAXIMUM IN, bore_diameter: 0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN, style_designator: CLEVIS ENDS, features_provided: BEARING, end_hole/ball_diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-004-9940, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

A51C31571-1

NSN: 3040-00-004-9940
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY
bore_length	1.623 INCHES MINIMUM AND 1.633 INCHES MAXIMUM IN
bore_diameter	0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
style_designator	CLEVIS ENDS
features_provided	BEARING
end_hole/ball_diameter	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM ALL ENDS IN
criticality_code_justification	ABXV AND CZLN
material_document_and_classification	QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE
center_to_center_distance_between_fulcrum_and_arm_end_hole/slot/ball	3.910 INCHES NOMINAL SECOND END IN
NSN	3040-00-004-9940

COMPONENT DIAGRAM

KEY FEATURES

•

CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL: 2.090 INCHES NOMINAL FIRST END IN

•

END HOLE/BALL DIAMETER: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM ALL ENDS IN

•

BORE LENGTH: 1.623 INCHES MINIMUM AND 1.633 INCHES MAXIMUM IN

•

CRITICALITY CODE JUSTIFICATION: ABXV AND CZLN

•

STYLE DESIGNATOR: CLEVIS ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE

•

FEATURES PROVIDED: BEARING

TECHNICAL CHARACTERISTICS

CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL	2.090 INCHES NOMINAL FIRST END IN
CENTER TO CENTER DISTANCE BETWEEN FULCRUM AND ARM END HOLE/SLOT/BALL	3.910 INCHES NOMINAL SECOND END IN
END HOLE/BALL DIAMETER	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM ALL ENDS IN
BORE LENGTH	1.623 INCHES MINIMUM AND 1.633 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATION	ABXV AND CZLN
STYLE DESIGNATOR	CLEVIS ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/9, ALLOY 7075, T7351 FED SPEC SINGLE MATERIAL RESPONSE
FEATURES PROVIDED	BEARING
BORE DIAMETER	0.811 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
MATERIAL	ALUMINUM ALLOY

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A51C31571-1?

A51C31571-1 is a BELL CRANK.

What is the NSN for A51C31571-1?

A51C31571-1 is cataloged in the U.S. Government catalog under NSN 3040-00-004-9940. This indicates validated use in U.S. government and defense supply chains.

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A51C31571-1 — BELL CRANK

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